Number Series Ques 38

Question-

What will come in place of the question mark (?)

$9 \quad 5 \quad 13 \quad-3 \quad 29 \quad$ ?

(1) -32

(2) 32

(3) 35

(4) -35

(5) -40

Show Answer

Correct Answer: (4)

Solution: (4)

The pattern is:

$9-2^{2}=9-4=5$

$5+2^{3}=5+8=13$

$13-2^{4}=13-16=-3$

$-3+2^{5}=-3+32=29$

$29-2^{6}=29-64=-35$